* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

header h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

nav {
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Main Content */
.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.welcome-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.service-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 1rem;
    transition: background-color 0.3s;
}

.service-btn:hover {
    background: #2980b9;
}

/* Login Form */
.login-form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.login-btn {
    width: 100%;
    background: #27ae60;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover {
    background: #219a52;
}

.login-info {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
    text-align: center;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: #3498db;
    text-decoration: none;
}

/* Initiative Page */
.initiative-content {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.initiative-content h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
}

.initiative-meta {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 5px;
    margin-bottom: 2rem;
}

.initiative-text h3 {
    color: #2c3e50;
    margin: 1.5rem 0 1rem 0;
}

.initiative-text p {
    margin-bottom: 1rem;
    text-indent: 2em;
}

.initiative-text ul {
    margin: 1rem 0 1rem 2rem;
}

.signature {
    text-align: right;
    font-weight: bold;
    margin-top: 2rem;
}

.action-buttons {
    text-align: center;
    margin-top: 2rem;
}

.agree-btn, .share-btn {
    padding: 12px 30px;
    margin: 0 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.agree-btn {
    background: #27ae60;
    color: white;
}

.agree-btn:hover {
    background: #219a52;
}

.share-btn {
    background: #3498db;
    color: white;
}

.share-btn:hover {
    background: #2980b9;
}

/* Messages */
.error-message {
    background: #e74c3c;
    color: white;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    text-align: center;
}

.success-message {
    background: #27ae60;
    color: white;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    text-align: center;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid #ddd;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .initiative-content {
        padding: 1.5rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
}